About: Shared Variables

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Shared Variables are a feature of the programming language APL which allows APL programs running on one processor to share information with another processor. Although originally developed for mainframe computers, Shared Variables were also used in personal computer implementations of APL. Shared Variables could be used to control peripheral devices, or to communicate with external files, database management systems, or other users. Shared Variables were first introduced by International Business Machines Corporation (IBM) in their APL.SV software product in 1973, and are still available as of 2017, in APLs from IBM and Dyalog, for the operating systems Linux and Windows.

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  • Shared Variables are a feature of the programming language APL which allows APL programs running on one processor to share information with another processor. Although originally developed for mainframe computers, Shared Variables were also used in personal computer implementations of APL. Shared Variables could be used to control peripheral devices, or to communicate with external files, database management systems, or other users. Shared Variables were first introduced by International Business Machines Corporation (IBM) in their APL.SV software product in 1973, and are still available as of 2017, in APLs from IBM and Dyalog, for the operating systems Linux and Windows. (en)
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  • Shared Variables are a feature of the programming language APL which allows APL programs running on one processor to share information with another processor. Although originally developed for mainframe computers, Shared Variables were also used in personal computer implementations of APL. Shared Variables could be used to control peripheral devices, or to communicate with external files, database management systems, or other users. Shared Variables were first introduced by International Business Machines Corporation (IBM) in their APL.SV software product in 1973, and are still available as of 2017, in APLs from IBM and Dyalog, for the operating systems Linux and Windows. (en)
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  • Shared Variables (en)
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